extrafusal

adjective
ex·​tra·​fu·​sal | \ -ˈfyü-zəl How to pronounce extrafusal (audio) \

Medical Definition of extrafusal

: situated outside a striated muscle spindle extrafusal muscle fibers — compare intrafusal

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Cite this Entry

“Extrafusal.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/extrafusal. Accessed 9 Aug. 2020.

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